Fildena 150 is indeed used to treat erectile dysfunction in everyone. However, it is only effective if taken at the recommended dosage and as directed by the doctor. This medicine contains sildenafil, which increases blood flow to the penile tissues in males, allowing them to have stronger, firmer, and longer erections during intercourse. Fildena 150 has a 4-5-hour effect. While using this medication, avoid greasy foods and alcoholic beverages.